Public places are all kinds of places where the public engage in social life.

The public refers to the floating population composed of individuals with different gender, age, occupation, nationality or nationality, different health status and different interpersonal affiliation. Public places refer to all public buildings, places and facilities used by the public for work, study, economy, culture, social interaction, entertainment, sports, visits, medical treatment, health care, rest, tourism and meeting some life needs. Typical public places such as libraries, hospitals and cinemas. Generally speaking, noise and smoking are prohibited in public places.

Smoking is harmful, not only to human health but also to society. As long as there are signs of life, any organized organism must breathe, exhale carbon dioxide in the body, inhale oxygen in the air, and carry out metabolism to maintain normal life activities. Non-smokers can breathe a lot of fresh air every day; However, people who smoke regularly do not enjoy the benefits of nature. What they breathe in is not fresh air, but toxic gas polluted by smoke.

Tobacco leaves contain toxic nicotine, also called nicotine. 1 g nicotine can poison 300 rabbits or 500 mice. If people are injected with 50 milligrams of nicotine, they will die.

Smoking is the most harmful to the respiratory tract, and it is easy to cause laryngitis, bronchitis, emphysema and other diseases. When smoking, smoke enters from the mouth, passes through the throat, trachea and bronchus, and enters the blood.

Article 18 Smoking is prohibited in indoor public places. Operators of public places should set up eye-catching warning signs and no smoking signs.

Smoking areas in outdoor public places shall not be located in the passages that pedestrians must pass through.

No cigarette vending machines shall be set up in public places.

Operators in public places should carry out publicity on the health hazards of smoking, and be equipped with full-time staff to discourage smokers.